//操作数据表模块
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var saleSchema = new Schema({
    cityId:String,
    cityName:String,
    cityCode:String,
    salesAmount:Number,
    male:Number,
    female:Number 
     
})
var saleModel = mongoose.model('sale',saleSchema);
module.exports = saleModel;